以下脚手架搭设时应符合的规定，正确的是（）A.单、双排脚手架必

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以下脚手架搭设时应符合的规定，正确的是（）

A.单、双排脚手架必须配合施工进度搭设，一次搭设高度不应超过相邻连墙件以上两步

B.如果超过相邻连墙件以上两步，无法设置连墙件时，应采取撑拉固定等措施与建筑结构拉结

C.底座、垫板均应准确地放在定位线上

D.侧垫板应采用长度不少于3跨、厚度不小于50mm、宽度不小200㎜的木垫板

E.当架体搭设至有连墙件的主节点时，在搭设完该处的立杆、纵向水平杆、横向水平杆后，应立即设置连墙件

答案

参考答案：A, B, C, E

综合

玻利维亚是南美洲中西部的内陆国，矿产资源丰富，经济相对落后。阅读下列资料，结合所学知识，回答（1）～（4）题。（28分）

材料一：玻利维亚位置示意图。

材料二：玻利维亚A、B两地气候资料图。

（1）玻利维亚地处地区（热量带），该国以_________和_________地形为主，地势特征是________________________。（8分）

（2）造成A、B两地气温差异的主要因素是________，B地的气候特征是_______。（6分）

（3）玻利维亚西部地区是世界重要的驼羊养殖区，驼羊被喻为“吃草不拔根，产绒价如金”的畜种。简要分析玻利维亚大力发展驼羊养殖业的主要原因。（6分）

（4）玻利维亚是世界上锂资源最丰富的国家。政府提出了“初期阶段开发由本国自有资金全面控制，技术力量强的外资公司只能参加最后生产高附加值产品的投资项目”的开发指导方针。试从地理角度分析该方针政策对该国可持续发展的有利影响。（8分）

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完形填空

I have learnt a lot about Chinese life and culture while teaching in Nanjing, Jiangsu Province and found them very interesting．
First, family life is quite   1  in China． In the USA, many young people   2  home after they finish their education and start working． However, in China, it is   3  for people to live with their parents until they get married．   4 , many of my Chinese friends told me that their 5  lived with them and helped take care of them when they were children． It seems that Americans think independence is more important   6  the Chinese think family relationships are more important．
Bargaining is another   7  that I have tried to learn． In the USA, prices are   8  and you can’t ask for a lower price． However in some small Chinese stores and tourist places, you are   9  to bargain． My Chinese friends taught me to ask for 40 percent or 50 percent   10  the original price． If the salesperson doesn’t agree to my price, I should   11  to leave and he might let me come back and sell me the item． It is a skill that you have to   12  if you live in China．
Tipping hasn’t been easier to   13 ． In the USA, many people in the service   14  want to get   15  money for serving customers． Tipping is not a part of Chinese culture．   16  I tried to tip a taxi driver． He looked a little   17  and refused to take the money．
In dinners, perhaps what surprises an American visitor most is that some of the Chinese hosts like to put food into the plates of their   18 ． Actually, this is a   19  of true friendship and politeness． My Chinese friend told me if I didn’t want to eat it, I should just   20  the food in the plate．

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